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Sav [38]
3 years ago
11

Lion 7

Chemistry
1 answer:
Sidana [21]3 years ago
3 0

Answer:

A.

Explanation:

You should NEVER eat or drink anything in a lab area. You never know what chemicals or gases are in the lab, and they can harm you.

Wearing a drawstring hoodie won't protect you from chemicals.

Don't wait to clean up chemicals, immediately get a teacher and clean it up (follow the teachers instructions). You never know what has spilled, and if it is harmful or not, or if there is a certain procedure to clean it up.

Don't change the equipment in the middle of an experiment. This can tamper with your results, and depending on what you are working with, this can be dangerous.

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8 0
3 years ago
Write the formula of the coordination compound pentaamminecarbonatocobalt(III) iodide. Enclose the coordination complex in squar
7nadin3 [17]

Answer:

[Co(NH3)5CO3]I3

Explanation:

The naming of coordination compounds follows certain rules specified by IUPAC. Usually, the name of the complex makes it quite easy to deduce its structure.

"Pentaamine" means that there are five NH3 ligands as shown in the structure. The ligand carbonato is CO3^2-.  It has no prefix attached to it in the IUPAC name of the complex hence there is only one carbonato ligand present(recall that the complex has a coordination number of six). I did not enclose it within parenthesis as required in the question.

Lastly the III that appeared after the metal name "cobalt" shows its oxidation state. The iodide counter ions must then be 3 in number in order to satisfy this primary valency of the metal hence the inclusion of I3 in the structure of the complex.

6 0
3 years ago
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wariber [46]

Answer:

Base

Explanation:

4 0
2 years ago
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(3) How many atoms are there in 6h2o2 A 6 B, 8 C, 12 D, 24​
andrezito [222]

Answer:

6

Explanation:

6H2O2

H2=6×2=12

O2=6×2=12

H2=12×1   =     12

O2=12×16= +192

               =  204  

=204÷34=6 ANS

4 0
1 year ago
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